Spinal cord reflexes continue to function under general anaesthesia
Evidence demonstrates that certain spinal cord and brainstem reflexes continue to function and can be elicited in patients under general anesthesia.
The claim is specific and falsifiable, dealing with neurophysiology under anesthesia. Studies such as those examining the trigemino-cervical reflex and the obturator reflex explicitly confirm that spinal reflexes and reflex pathways can remain functional during general anesthesia, even under neuromuscular blockade.
Denise Lima Medeiros de Melo, E. A. Comerlato, D. Pinheiro, Gilberto Mastrocola Manzano. The feasibility and technical aspects of trigemino-cervical reflex elicitation in humans under general anesthesia.. 2024. https://doi.org/10.1016/j.clinph.2024.02.031
Demonstrates that short-latency trigemino-cervical reflex components can be regularly elicited in humans under general anesthesia.
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Su Yeon Cho, K. Jung. Adductor Muscle Contraction Under Deep Neuromuscular Blockade During TURBT Under General Anesthesia: Is Obturator Nerve Block Still Necessary?—A Prospective, Single-Arm, Exploratory Study. 2025. https://doi.org/10.3390/medicina61071207
Shows that spinal cord-mediated reflexes like the obturator reflex persist even under deep neuromuscular blockade during general anesthesia.
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